JS

James H. Spreen

IBM: 3 patents #34 of 1,444Top 3%
📍 Huntington, IN: #1 of 9 inventorsTop 15%
🗺 Indiana: #49 of 1,469 inventorsTop 4%
Overall (1989): #9,788 of 140,708Top 7%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4868732 Pluggable power system having magnetic flux coupled power transformer and inductive filter components John B. Gillett 1989-09-19
4864486 Plank and frame transformer 1989-09-05
4803609 D. C. to D. C. converter John B. Gillett 1989-02-07